Question

Given the relation: {(1,3), (2,6), (3,9), (4,12)}
What is the domain? What is the range?

Answer 1

domain = set of x values

range = set of y values

Answer 2

so what are the x values here?

Answer 3

(x, y) = (1,3)
and so on..

Answer 4

Domain: {1, 2, 3, 4}
Range: 3, 6, 9, 12}